Kalkhoff, S. J. (2021). Hydrologic and water-quality conditions in the Cedar River alluvial aquifer, Linn County, Iowa, 1990-2019. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationKalkhoff, Stephen J. Hydrologic and Water-quality Conditions in the Cedar River Alluvial Aquifer, Linn County, Iowa, 1990-2019. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2021.
MLA (9th ed.) CitationKalkhoff, Stephen J. Hydrologic and Water-quality Conditions in the Cedar River Alluvial Aquifer, Linn County, Iowa, 1990-2019. U.S. Department of the Interior, U.S. Geological Survey, 2021.
Warning: These citations may not always be 100% accurate.